I agree. Because of the gestalt effect on perception, we don't notice, but there is a difference, in vibration, in relation to other enironmental vibrations. Different keys sound better to you at different times. It depends on how you, and the room, are tuned.

I imagine, like you say, this could have a subtle effect, but maybe not noticeable. I do, however, notice when someone is out of their singing range, or an instrument is out of it's useful range. That's why I like bass solos that are on the low notes.

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Mike Dunbar Music

You've got to know your limitations. I don't know what your limitations are. I found out what mine were when I was twelve. I found out that there weren't too many limitations, if I did it my way. -Johnny Cash

It's only music.
-niteshift

Mike Dunbar Music